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You have to use the custom version InlineAdmin which uses the custom version of below classes
- InlineModelAdmin
- BaseInlineFormSet
You can add your own add_view and change_view on the custom version of InlineModelAdmin to
- detect the owner of the record(to allow the edit)
- display the time field
You can enhance the BaseInlineFormSet to control all the runtime aspects
Source:stackexchange.com